A natural blush on the cheeks and a dewy luminescence that radiates health and vitality--few women have such naturally flawless skin. But you can fake it. The secret, says celebrity makeup artist Collier Strong, is that less is more. “No matter what imperfections your skin might have, the approach to covering them and making your skin look beautiful is the same: put as little makeup as possible on your face and make what you do apply look real.” Strong, a regular on “Project Runway” who is also a consulting makeup artist for L’Oreal, offers his tips for covering up five of the most common skin problems. If you are being treated for any skin conditions, consult your dermatologist before trying something new.